Wenger Baden Illuminated Hydration Pack Wenger hydrations packs demonstrate high standards of functionality and performance bringing new innovations and pride in every product and design. The unique electroluminescent wire light makes this pack stand out from the rest. As soon as Mother Nature's lights go out, this packs light goes on. Features; 700 cubic inch main storage compartment with internal compartments and organization slots Double Shot trademark bite valve, with tremendous flow rate and taste free reservoir material bring this hydration pack to the leading edge. Added pockets for easy access and air mesh shoulder straps.